Atmega128 学习板的详细制作资料，包括原理图的测试程序，还有芯片元件资料-Atmega128 study in detail the production of boards, including schematic diagram of the test procedure, as well as information on the chip components

AVR单片机练习程序，提供AVR单片机练习程序包括AD、串口通讯等等(AVR SCM exercise procedures, providing AVR microcontroller exercise procedures, including AD, serial communication, and so on)